@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#extensionsManager #extensionsView richlistitem:not([selected]) {
  height: 2em !important;
}

#extensionsManager #extensionsView richlistitem:not([selected]) .addonIcon,
#extensionsManager #extensionsView richlistitem:not([selected]) .addonIcon image {
  margin-top: -1.5px !important;
  width: 16px !important;
  height: 16px !important;
}

#extensionsManager #extensionsView richlistitem:not([selected]) .addon-icon image.notifyBadge,
#extensionsManager #extensionsView richlistitem:not([selected]) .addon-icon image.updateBadge {
  height: 12px !important;
  width: 12px !important;
}

#extensionsManager #extensionsView richlistitem:not([selected]) .addon-name-version {
  margin-top: -2px !important;
}

#extensionsManager #extensionsView richlistitem:not([selected]) hbox+hbox {
  display: none !important;
}